皮皮学，免费搜题
登录
搜题
【单选题】
为了除去结果集中重复的行,可在SELECT语句中使用下列哪一个关键字A.
ALL
B.
DISTINCT
C.
SPOOL
D.
HAVING
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】半导体存储器按照工作方式的不同，可以分为随机存取存储器(RAM，也叫读写存储器)和 【12】 。
【简答题】半导体存储器按照工作方式不同,可分为()RAM和()ROM
【简答题】Party B shall ship the goods within one month of the date of signing this contract,i.e.not later than December
【多选题】通常具有下列身份地人应当在他人介绍中充当介绍者。
A.
社交活动中地东道主或家庭聚会中的女主人
B.
正式活动中地位、身份较高者
C.
公务交往中的礼仪专职人员，如公关人员、接待人员、文秘人员
D.
熟悉被介绍者双方者
E.
应介绍者一方或双方要求者
【单选题】What happened to Butch one month later except____?
A.
He failed all his courses.
B.
He would be expelled from the university.
C.
He got a scholarship.
D.
He seemed resigned to his fate.
【简答题】It is not unusual for workers in that region______. A．to be paid more than a month later B．to be paid later than more a month C．to pay later than a month more D．to pay later more than a mon th
【单选题】We learn from the news that the suspects were arrested ______.
A.
one month later.
B.
two months later.
C.
immediately.
D.
two weeks later.
相关题目：